3u1u: Difference between revisions

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<StructureSection load='3u1u' size='340' side='right'caption='[[3u1u]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='3u1u' size='340' side='right'caption='[[3u1u]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3u1u]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3U1U OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3U1U FirstGlance]. <br>
<table><tr><td colspan='2'>[[3u1u]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3U1U OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3U1U FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=UNX:UNKNOWN+ATOM+OR+ION'>UNX</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">RTF1, KIAA0252 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3u1u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3u1u OCA], [https://pdbe.org/3u1u PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3u1u RCSB], [https://www.ebi.ac.uk/pdbsum/3u1u PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3u1u ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3u1u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3u1u OCA], [https://pdbe.org/3u1u PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3u1u RCSB], [https://www.ebi.ac.uk/pdbsum/3u1u PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3u1u ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[[https://www.uniprot.org/uniprot/RTF1_HUMAN RTF1_HUMAN]] Component of the PAF1 complex (PAF1C) which has multiple functions during transcription by RNA polymerase II and is implicated in regulation of development and maintenance of embryonic stem cell pluripotency. PAF1C associates with RNA polymerase II through interaction with POLR2A CTD non-phosphorylated and 'Ser-2'- and 'Ser-5'-phosphorylated forms and is involved in transcriptional elongation, acting both indepentently and synergistically with TCEA1 and in cooperation with the DSIF complex and HTATSF1. PAF1C is required for transcription of Hox and Wnt target genes. PAF1C is involved in hematopoiesis and stimulates transcriptional activity of MLL1; it promotes leukemogenesis though association with MLL-rearranged oncoproteins, such as MLL-MLLT3/AF9 and MLL-MLLT1/ENL. PAF1C is involved in histone modifications such as ubiquitination of histone H2B and methylation on histone H3 'Lys-4' (H3K4me3). PAF1C recruits the RNF20/40 E3 ubiquitin-protein ligase complex and the E2 enzyme UBE2A or UBE2B to chromatin which mediate monoubiquitination of 'Lys-120' of histone H2B (H2BK120ub1); UB2A/B-mediated H2B ubiquitination is proposed to be coupled to transcription. PAF1C is involved in mRNA 3' end formation probably through association with cleavage and poly(A) factors. In case of infection by influenza A strain H3N2, PAF1C associates with viral NS1 protein, thereby regulating gene transcription. Binds single-stranded DNA. Required for maximal induction of heat-shock genes. Required for the trimethylation of histone H3 'Lys-4' (H3K4me3) on genes involved in stem cell pluripotency; this function is synergistic with CXXC1 indicative for an involvement of a SET1 complex (By similarity).<ref>PMID:19345177</ref> <ref>PMID:20178742</ref> 
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Arrowsmith, C H]]
[[Category: Arrowsmith CH]]
[[Category: Bian, C]]
[[Category: Bian C]]
[[Category: Bountra, C]]
[[Category: Bountra C]]
[[Category: Edwards, A M]]
[[Category: Edwards AM]]
[[Category: Guo, Y]]
[[Category: Guo Y]]
[[Category: Min, J]]
[[Category: Min J]]
[[Category: Structural genomic]]
[[Category: Tempel W]]
[[Category: Tempel, W]]
[[Category: Weigelt J]]
[[Category: Weigelt, J]]
[[Category: Wernimont AK]]
[[Category: Wernimont, A K]]
[[Category: Plus-3]]
[[Category: Sgc]]
[[Category: Transcription]]
[[Category: Transcription elongation]]

Latest revision as of 02:29, 21 November 2024

Crystal structure of RNA polymerase-associated protein RTF1 homolog Plus-3 domain

3u1u, resolution 1.80Å

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